64854505 has 8 divisors (see below), whose sum is σ = 81921600. Its totient is φ = 49152816.

The previous prime is 64854499. The next prime is 64854521. The reversal of 64854505 is 50545846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64854505 - 2⁹ = 64853993 is a prime.

It is a super-2 number, since 2×64854505² = 8412213637590050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341245 + ... + 341434.

It is an arithmetic number, because the mean of its divisors is an integer number (10240200).

Almost surely, 2^64854505 is an apocalyptic number.

It is an amenable number.

64854505 is a deficient number, since it is larger than the sum of its proper divisors (17067095).

64854505 is a wasteful number, since it uses less digits than its factorization.

64854505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682703.

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 64854505 is about 8053.2294764275. The cubic root of 64854505 is about 401.7723540540.

The spelling of 64854505 in words is "sixty-four million, eight hundred fifty-four thousand, five hundred five".